1997 Yamaha YFM600FWAK ATV Service Manual, Page 224Get this manual
REAR AXLEFINAL DRIVE GEAR AND DRIVE SHAFT 1DRIV 1
Ring gear stopper clearance adjustment 1.Remove: Ring gear CD Ring gear stopper Shim(s)
Bearing housing Left-hand threads
2.Select: Suitable shim(s) Shim Thickness (mm) 0.15 0.20
3.lnstall: Shim(s) Ring gear stopper (left-hand threads)